[RFC] add a shutdown event

[FORT David]

2013/3/18 Yichao Yu <yyc1992 at gmail.com>

> On Sun, Mar 17, 2013 at 7:30 PM, Hardening <rdp.effort at gmail.com> wrote:
> > On 17/03/2013 23:59, Sylvain BERTRAND wrote:
>
[...]

> > As most of the time the compositor launched all the wayland clients,
> > they may be killed before they discover the socket has disconnected.
> >
> > It can be seen as a "hurry to cleanup before being killed" message.
>
> In this case, shouldn't the compositor just disconnect the socket
> instead of sending out this event in order to info the client?
>

I think implicit is better than explicit, and having the message gives no
place for interpretation of why the socket would have disconnect.

In first hand i thought about watching the "global_remove" notification
being called on notorious objects, but i've found that solution a little
hackish.
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